大约有 13,300 项符合查询结果(耗时:0.0230秒) [XML]

https://stackoverflow.com/ques... 

How to group time by hour or by 10 minutes

...hour, workingPolicy.workingHours)/2.0 gives 1.5 while datepart(hour, '1900-01-01 09:00:30.000')/2.0 gives 4.5 , i don't understand why? Note:workingPolicy.workingHours=1900-01-01 09:00:30.000. please help – affanBajwa Dec 29 '18 at 7:58 ...
https://stackoverflow.com/ques... 

How to round float numbers in javascript?

...ath.round(1.005*100)/100 for example from MDN – tybro0103 May 3 '16 at 17:54 7 @tybro0103 Floatin...
https://stackoverflow.com/ques... 

What is the best data type to use for money in C#?

...errors because floating point cannot represent all numbers exactly (e.g. 0.01 has no exact representation in floating point). Decimal, on the other hand, does represent numbers exactly. (The trade-off is Decimal has a smaller range than floating point) Floating point can give you * inadvertent* roun...
https://stackoverflow.com/ques... 

How do you know what to test when writing unit tests? [closed]

...lt;InvoiceDiaryHeader>(); list.Add(CreateSales("119", true, 1, "01-09-2008")); bankHeader = CreateMultiplePayments(list, 1, 119.00M, 0); bankHeader.Save(); Assert.AreEqual(1, bankHeader.BankCashDetails.Count); Assert.AreEqual(1, bankHeader.BankCashDetails[...
https://stackoverflow.com/ques... 

JavaScript: Create and save file [duplicate]

... A very minor improvement of the code by Awesomeness01 (no need for anchor tag) with addition as suggested by trueimage (support for IE): // Function to download data to a file function download(data, filename, type) { var file = new Blob([data], {type: type}); if (wi...
https://stackoverflow.com/ques... 

How to append rows to an R data frame

...7 1045.972666 1055.25931 1112.769176 5 # f3(1000) 149.417636 150.529011 150.827393 151.02230 160.637845 5 # f4(1000) 7.872647 7.892395 7.901151 7.95077 8.049581 5 f1() (the approach below) is incredibly inefficient because of how often it calls data.frame and beca...
https://stackoverflow.com/ques... 

How to click or tap on a TextView text

...setContentView(R.layout.main); t = (TextView)findViewById(R.id.TextView01); t.setOnClickListener(this); } public void onClick(View arg0) { t.setText("My text on click"); } } and my main.xml is: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://...
https://stackoverflow.com/ques... 

How to convert java.sql.timestamp to LocalDate (java8) java.time?

...number of upvotes for it. See my answer for details stackoverflow.com/a/57101544/2032701 – Ruslan Jul 18 '19 at 19:40 ...
https://stackoverflow.com/ques... 

How to use Git Revert

...even more clear, with a log like this: # git log --oneline cb76ee4 wrong 01b56c6 test 2e407ce first commit Using git revert cb76ee4 will by default bring your files back to 01b56c6 and will add a further commit to your history: 8d4406b Revert "wrong" cb76ee4 wrong 01b56c6 test 2e407ce first com...
https://stackoverflow.com/ques... 

Plot correlation matrix into a graph

...x", xlab="", ylab="", col.regions=rgb.palette(120), cuts=100, at=seq(0,1,0.01)) share | improve this answer | follow | ...